Clinical and molecular characteristics of invasive community-acquired Staphylococcus aureusinfections in Chinese children

Table 3 Clinical characteristics of children with invasive infections caused by the common MLST-type S. aureus strains

Clinical syndrome		ST59		ST88		ST25	ST7	ST2155	ST188
		(n = 51)		(n = 20)		(n = 13)	(n = 13)	n = 12	n = 10
		MRSA	MSSA	MRSA	MSSA	MSSA	MSSA	MSSA	MRSA	MSSA
		(n = 49)	(n = 2)	(n = 5)	(n = 15)	(n = 13)	(n = 13)	(n = 12)	(n = 1)	(n = 9)
Single-site infection	Total	20(39.2)	0	1(5)	5(25)	4(30.8)	5(38.5)	6(50)	1(100)	2(22.2)
	Bacteremia	5(9.8)	0	0	2(10)	2(15.4)	3(23.1)	1(8.3)	1(100)	1(11.1)
	Pneumonia	12(23.5)	0	1(5)	2(10)	1(7.7)	1(7.7)	3(25)	0	0
	Musculoskeletal infection	2(3.9)	0	0	1(5)	0	1(7.7)	2(16.7)	0	1(11.1)
	Others	1^a(2)	0	0	0	1^b(7.7)	0	0	0	0
Multi-site infections	Total	29(56.9)	2(3.9)	4(20)	10(50)	9(69.2)	8(61.5)	6(50)	0	7(77.8)
	B + P	4(7.8)	0	2(10)	2(10)	2(15.4)	3(23.1)	1(8.3)	0	3(33.3)
	B + M	1(2)	0	1(5)	3(15)	3(23.1)	1(7.7)	2(16.7)	0	1(11.1)
	B + S	8(15.7)	0	1(5)	3(15)	2(15.4)	0	3(25)	0	1(11.1)
	P + S	7(13.7)	0	0	0	0	0	0	0	0
	B + P + S	2(3.9)	1(2)	0	1(5)	1(7.7)	1(7.7)	0	0	0
	Others	7^c(13.7)	1^d(2)	0	1^e(5)	1^f(7.7)	3^g(23.1)	0	0	2^h(22.2)

Notes: B + P, bacteremia + pneumonia; B + M, bacteremia + musculoskeletal infection; B + S, bacteremia + skin and soft tissue infections (SSTI); P + S, pneumonia + SSTI; B + P + S, bacteremia + pneumonia + SSTI.
^aOne case of orbital abscess.
^bOne case of deep-seated abscess.
^cTwo cases of bacteremia + orbital abscess, one case each of bacteremia + pneumonia + musculoskeletal infection, musculoskeletal infection + SSTI, bacteremia + pneumonia + lymphadenitis, bacteremia + pneumonia + osteomyelitis + SSTI, and pneumonia + osteomyelitis + endocarditis.
^dOne case of bacteremia + pneumonia + musculoskeletal infection + SSTI.
^eOne case of bacteremia + musculoskeletal infection + SSTI.
^fOne case of musculoskeletal infection + SSTI.
^gTwo cases of bacteremia + pneumonia + meningitis and one case of pneumonia + meningitis.
^hOne case each of bacteremia + pneumonia + musculoskeletal infection and meningitis + endocarditis.

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